Inoxidizable corrugated blade or plate.



ATTORN EY3.

No. 648,l4|. l Patented Apr. 24, |900. A. BELMONT.

INUXIDIZABLE CUBRUGATED BLADE 0B PLATE.

(Application led July 26, 1899.)

(No Model.)

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WITNESSES:

NTTED STATES PATENT Ormea.

ALPHONSE BELMONT, OF PARIS, FRANCE.

INOXIDIZABLE CORRUGATED BLADE OR PLAT.

SPECIFICATION forming part of Letters Patent N0. 648,141, dated April24, 1900.

Application filed July 26, 1899. Serial No. 725,123. (No model.)

To @ZZ whom t may concern.-

Be it known that I, ALPHONSE BELMONT, electrical engineer, a citizen ofFrance, residing at Rue de Provence, Paris, in the Republic of France,have invented certain new and useful Improvements in lnoxidizableOorrugated Blades or Plates for Accumulators or the Like; and I dohereby declare the following to be a full, clear, and exact descriptionof the invention, such as will enable others skilled in the art to whichit appertaius to make and use the same, reference being had to theaccompanying drawings, forming part of this specilication.

This invention relates to electrical accu mulators or secondarybatteries; and its object is to provide a battery of this nature inwhich the sheets of lead or other metal constituting the batteryelectrodes are so shaped, arranged, and sustained in the battery astoobtain from a cell of a given size the maximum energy and to render saidelectrodes easily removable from the battery and at the same time proofagainst undesired contact with each other.

The invention consists in the improved accumulator or secondary batteryand in the combination and arrangement of its various parts,substantially as will be hereinafter pointed out and nally embodied inthe clauses of the claim.

The invention is fully illustrated in the accompanying drawings, whereincorresponding letters of reference indicate like parts, and whereinmFigure l is a View in elevation of my improved secondary battery, aportion of the cover therefor being broken away to show the internalstructure thereof. Fig. 2 isa transverse sectional View on the line :cin Fig. l, and Fig. 3 is a longitudinal sectional view of one end cf myimproved battery as shown in Fig. l and taken on the line y y in saidligure.

In said drawings, a designates a jar or other suitable receptacle,preferably composed of india-rubber or other non-conducting substanceand having along the upper edges of its two side walls L-shaped iiangesl), which support a cover c on their upper edges. The cover c may beperforated, as shown at d, to permit the escape of any gases which aregenerated, and it may be provided with a filling device e. Where thebottom wall and each side wall meet is formed a rib f, having aninclined upper surface g, and into each of these ribs is cut a series ofrectangular notches h.

t' designates a series of plates composed of ebonite, porous earth, orother like rigid and inoxidizable material, each plate beingsubstantially rectangular and provided with perforations j. Each ofthese plates approximately ts the inside of the jar a and its lowercorners are adapted to seat in the sockets 7L of the ribs f, so as to bepartially sustained thereby.

Each L.-shaped ange l) provides at 7o a seat for a metallic strip Z,which may be secured in position in any desired manner. One end of eachof these strips is reduced, as at m, and projects through one end wallof the jar, being provided with a nut n, and thus serving as abinding-post for the attachment of wires or other conductors.

Each inoXidizable plate 'L' is capped atone of its upper corners by asmall metallic plate 0, which projects over thestripl and rests thereon,being adapted to be secured thereto by a screw p. The porous plates aredivided up into two series of equal number, those of one seriesalternating with those of the other and each series of plates beingconnected, as above described, to one of the metallic strips l.

q is a sheet or plate of lead or other material suitable for use as themetal electrodeof the battery. Said sheet is corrugated, each fold orroll of the corrugation being of appreciable depth, as best shown inFig. l, so that though the sheet has no extraordinary area .in elevationit has the maximum amount of acting surface. Said plates q are of courseconnected to the metallic strips 7e, this being effected through themedium of the small plates 0, to which they are soldered. Each sheetshould also be perforated, as are the inoxidizable sheets 2', the objectin both cases being to facilitate the proper circulation of the liquidof the battery.`

The metal sheets g are provided along their upper edges with hooks r,that form integral projections thereof. Each metal sheet is adapted tobe suspended upon an inoxidizable plate by means of its hooks, Whichengage the upper edges of said last-named sheet.

IOC

In order to keep each metal sheet in contact with its inoxidizablesheet, I provide elastic rubber bands s, which embrace the two sheetsextending' vertically around the same, and thus hold them together, saidelastic bands thus permitting the full expansion of the metal as Well asthe electrolytic action on both faces of the corrugated metal sheet.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is*

l. In a secondary battery, the combination of a jar or other receptacle,and suitable electrodes comprising an inoxidizable plate and anoxidizable metallic plate and arranged in said receptacle, said metallicplate being provided with hooks engaging the inoxidizable plate andbeing thereby suspended on said plate, substantially as described.

2. In a secondary battery, the combination of a jar orother suitablereceptacle, suitable electrodes comprising an inoxidizable plate andanoxidizable metallic plate and arranged in said receptacle, said metallicplate being provided with hooks engaging the inoxidizable plate andbeing thereby suspended on said plate, and elastic bands surroundingsaid plates and securing them together, substantially as described.

3. In a secondary battery, the combination of a jar or other suitablereceptacle, metallic conducting-strips arranged therein, alternatinginoxidizable plates and corrugated metallic plates also arrangedtherein, said plates being perforated, elastic bands surrounding andsecuring together said plates in pairs, each pair comprising a metallicplate and an inoxidizable plate, said pairs of plates being arranged intwo series, and other plates connecting the metallic plates of eachseries with said conducting-strips, substantially as described.

ll. In a secondary battery, the combination ol' a jar or other suitablereceptacle, metallic conductingstrips arranged therein, alternatinginoxidizable plates and corrugated metallic plates also arrangedtherein, said plates being perforated, elastic bands surrounding andsecuring together said plates in pairs, each pair comprising a metallicplate and an inoxidizable plate, said pairs of plates being arranged intwo series, and other plates connecting the metallic plates of eachseries with said condnctingstrips, the interior of said jar beingprovided with notched ribs adapted to receive the edges of saidinoxidizable plates, substantially as described.

In testimony that I claim the 'foregoing I have hereto set my hand thisIlth day of July, 1899.

ALPHONSE BELMONT. lVitnesses:

JosnPI-I IoUoHoL, ADOLPHE A. NALL.

